2 – 16
Remote Operation
Auxiliary I
/
O BNC 1 Configuration
AUXC(?)1
{
,i
}
Set (query) the auxiliary configuration of the AUX I
/
O 1 rear-panel
BNC connector
{
to
i
}
. The parameter
i
controls the configuration
according to the following table:
i
Configuration
0
Manual Configuration. State controlled by AUXI
command.
1
Master Inhibit. Shutter forced to normal unasserted
state when AUX I
/
O 1 input is asserted low.
2
Trigger Inhibit. Shutter ignores all trigger sources
when the AUX I
/
O 1 input is asserted low.
AUXC 1,2
CR
Example:
Configure Aux I
/
O 1 as Trigger Inhibit input.
Auxiliary I
/
O BNC 2 Configuration
AUXC(?)2
{
,i
}
Set (query) the auxiliary configuration of the AUX I
/
O 2 rear-panel
BNC connector
{
to
i
}
. The parameter
i
controls the configuration
according to the following table:
i
Configuration
0
Manual Configuration. State controlled by AUXI
command.
1
Reset. Shutter aborts any trigger in progress, on the
falling edge of the AUX I
/
O 2 input. Pulse width
must be at least 200
μ
s
2
Trigger Out. AUX I
/
O 2 output is asserted low for
100
μ
s at the beginning of each trigger cycle within a
burst.
3
Trigger Busy. AUX I
/
O 2 output is asserted low at
time of first trigger, and stays low until all cycles are
complete.
AUXC 1,2
CR
Example:
Configure Aux I
/
O 1 as Trigger Inhibit input.
Auxiliary I
/
O State
AUXI(?) i
{
,j
}
Set (query) the Aux I
/
O
i
BNC port state
{
to
j
}
, where
i
is either 1 or 2.
The set form sets the value applied to the BNC when it is configured
for manual I
/
O. The query form always reads the current value of the
BNC. A value of 0 indicates the BNC is logic low. A 1 indicates the
BNC is logic high.
SR470 Shutter Controller
